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Phone ZTE Z331 Nubia Red Magic 3 / 3S Samsung SGH-X450 Palm Pre Plus (GSM) Samsung Sidekick 4G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
6.7" diag.
19.5 : 9
? 3.1" diag.
5 : 3
3.5" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
128 x 160 pixels
LCD (Color)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? 90 Hz ? ? 60 Hz
Battery 950 mAh 5,000 mAh ? 1,150 mAh ?
Processor ? Qualcomm Snapdragon 855+ ? ? 1 GHz Samsung Hummingbird Cortex A8
RAM ? 8 GB * ? ? ?
Storage ? raw hardware 128 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 48 megapixel - 3 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) 4K UHD - VGA (640 x 480) WVGA / 480p
Front Camera - 16 megapixel - - Yes
Weight 4 oz
(113g)
7.58 oz
(215g)
2.8 oz
(79g)
4.89 oz
(139g)
5.7 oz
(162g)
Dimensions 3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
3.3" x 1.8" x 0.8"
(84 x 46 x 20.3 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
Form Factor Clamshell Slab Clamshell Slide Slide
Platform / OS (proprietary) Android (proprietary) webOS Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 LTE (Cat 9) GPRS HSDPA 1.8 HSPA+ 21
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - -
GPS / Location Yes n/a - n/a n/a
Accessibility
Hearing Aid Compatible Yes - - - Yes
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes - - - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot - n/a - n/a n/a
USB Yes
Micro-USB
Yes
USB Type C
- Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing - n/a - n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a - n/a n/a
Data & Network
Data Tethering Yes n/a Yes n/a n/a
Dual-SIM - Yes - - -
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes Yes
Touch Screen - Yes - Yes Yes
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client Yes n/a - n/a n/a
EMS / Picture Messaging - n/a Yes n/a n/a
Instant Messaging Yes n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - Yes - Yes Yes
Music Player Yes n/a - n/a n/a
Stereo Speakers - Yes - - -
Photo & Video
DLNA - - - - Yes
TV Output - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
To-Do List - n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
Games Yes n/a Yes n/a n/a
Java (J2ME) Yes n/a Yes n/a n/a
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) - n/a Yes n/a n/a
Speaker Phone Yes Yes - Yes Yes
  ZTE Z331 Nubia Red Magic 3 / 3S Samsung SGH-X450 Palm Pre Plus (GSM) Samsung Sidekick 4G
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Z331 Nubia Red Magic 3 / 3S Samsung SGH-X450 Palm Pre Plus (GSM) Samsung Sidekick 4G

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